Re-enable chromevox_tests, with clobber.

chrome/browser/resources/chromeos/chromevox/chromevox_tests.gypi

Index: chrome/browser/resources/chromeos/chromevox/chromevox_tests.gypi
diff --git a/chrome/browser/resources/chromeos/chromevox/chromevox_tests.gypi b/chrome/browser/resources/chromeos/chromevox/chromevox_tests.gypi
index 5f4ea54b1079169a14408cb77491b70af43038f1..397914e64374561aa1875d8c876089ce89eef9e7 100644
--- a/chrome/browser/resources/chromeos/chromevox/chromevox_tests.gypi
+++ b/chrome/browser/resources/chromeos/chromevox/chromevox_tests.gypi
@@ -162,51 +162,48 @@
         '<(DEPTH)/chrome/test/base/web_ui_browser_test.cc',
         '<(DEPTH)/chrome/test/base/web_ui_browser_test.h',
 
-# ALL TESTS DISABLED until tryserver failure can be fixed.
-# http://crbug.com/503299
-#
-#        'braille/braille_display_manager_test.unitjs',
-#        'braille/braille_input_handler_test.unitjs',
-#        'braille/braille_table_test.extjs',
-#        'braille/braille_translator_manager_test.extjs',
-#        'braille/expanding_braille_translator_test.unitjs',
-#        'braille/liblouis_test.extjs',
-#        'braille/pan_strategy_test.unitjs',
-#        'common/aria_util_test.unitjs',
-#        'common/braille_text_handler_test.unitjs',
-#        'common/braille_util_test.unitjs',
-#        'common/command_store_test.unitjs',
-#        'common/content_editable_extractor_test.unitjs',
-#        'common/cursor_selection_test.unitjs',
-#        'common/dom_util_test.unitjs',
-#        'common/editable_text_area_shadow_test.unitjs',
-#        'common/editable_text_test.unitjs',
-#        'common/find_util_test.unitjs',
-#        'common/key_sequence_test.unitjs',
-#        'common/math_semantic_tree_test.unitjs',
-#        'common/page_selection_test.unitjs',
-#        'common/selection_util_test.unitjs',
-#        'common/spannable_test.unitjs',
-#        'common/string_util_test.unitjs',
-#        'chromevox/injected/event_watcher_test.unitjs',
-#        'chromevox/injected/live_regions_test.unitjs',
-#        'chromevox/injected/user_commands_test.unitjs',
-#        'chromevox/injected/navigation_manager_test.unitjs',
-#        'cvox2/background/automation_util_test.extjs',
-#        'cvox2/background/background_test.extjs',
-#        'cvox2/background/cursors_test.extjs',
-#        'cvox2/background/output_test.extjs',
-#        'host/chrome/braille_integration_test.unitjs',
-#        'host/chrome/tts_background_test.extjs',
-#        'walkers/character_walker_test.unitjs',
-#        'walkers/group_walker_test.unitjs',
-#        'walkers/object_walker_test.unitjs',
-#        'walkers/layout_line_walker_test.unitjs',
-#        'walkers/math_shifter_test.unitjs',
-#        'walkers/sentence_walker_test.unitjs',
-#        'walkers/structural_line_walker_test.unitjs',
-#        'walkers/table_walker_test.unitjs',
-#        'walkers/word_walker_test.unitjs',
+        'braille/braille_display_manager_test.unitjs',
+        'braille/braille_input_handler_test.unitjs',
+        'braille/braille_table_test.extjs',
+        'braille/braille_translator_manager_test.extjs',
+        'braille/expanding_braille_translator_test.unitjs',
+        'braille/liblouis_test.extjs',
+        'braille/pan_strategy_test.unitjs',
+        'common/aria_util_test.unitjs',
+        'common/braille_text_handler_test.unitjs',
+        'common/braille_util_test.unitjs',
+        'common/command_store_test.unitjs',
+        'common/content_editable_extractor_test.unitjs',
+        'common/cursor_selection_test.unitjs',
+        'common/dom_util_test.unitjs',
+        'common/editable_text_area_shadow_test.unitjs',
+        'common/editable_text_test.unitjs',
+        'common/find_util_test.unitjs',
+        'common/key_sequence_test.unitjs',
+        'common/math_semantic_tree_test.unitjs',
+        'common/page_selection_test.unitjs',
+        'common/selection_util_test.unitjs',
+        'common/spannable_test.unitjs',
+        'common/string_util_test.unitjs',
+        'chromevox/injected/event_watcher_test.unitjs',
+        'chromevox/injected/live_regions_test.unitjs',
+        'chromevox/injected/user_commands_test.unitjs',
+        'chromevox/injected/navigation_manager_test.unitjs',
+        'cvox2/background/automation_util_test.extjs',
+        'cvox2/background/background_test.extjs',
+        'cvox2/background/cursors_test.extjs',
+        'cvox2/background/output_test.extjs',
+        'host/chrome/braille_integration_test.unitjs',
+        'host/chrome/tts_background_test.extjs',
+        'walkers/character_walker_test.unitjs',
+        'walkers/group_walker_test.unitjs',
+        'walkers/object_walker_test.unitjs',
+        'walkers/layout_line_walker_test.unitjs',
+        'walkers/math_shifter_test.unitjs',
+        'walkers/sentence_walker_test.unitjs',
+        'walkers/structural_line_walker_test.unitjs',
+        'walkers/table_walker_test.unitjs',
+        'walkers/word_walker_test.unitjs',
       ],
     },  # target chromevox_tests
     {